Human Disorders

Definition Vasovagal syncope is a condition that leads to fainting in some people. It is also called neurocardiogenic syncope or reflex syncope. It’s the most common cause of fainting. It’s usually not harmful nor a sign of a more serious problem. Many nerves connect with your heart and blood vessels. …

Definition Hoarding disorder is an illness that makes people feel a very strong need to collect things. They can’t bear to think about parting with their things. Over time, the collected items may take over the person’s house. The items may cover tables, beds, counters, and floors. Hallways and rooms …

Description Substance use disorder (SUD) is complex a condition in which there is uncontrolled use of a substance despite harmful consequence. People with SUD have an intense focus on using a certain substance(s) such as alcohol, tobacco, or illicit drugs, to the point where the person’s ability to function in …

Definition Burning feet syndrome, also referred to Grierson-Gopalan syndrome, causes severe burning and aching of the feet, and changes of the feet that lead to excessive sweating. This medical condition can even affect the eyes. The condition occurs more frequently in women and is often a problem when a person …

What is telangiectasia? Telangiectasia (commonly known as “spider veins”) are dilated or broken blood vessels located near the surface of the skin or mucous membranes. They often appear as fine pink or red lines, which temporarily whiten when pressed. “Matted” telangiectasias are clusters of these small dilated blood vessels that …

Definition Anosmia is the full loss of smell. Anosmia can be a temporary or permanent condition. You can partially or completely lose your sense of smell when the mucus membranes in your nose are irritated or obstructed such as when you have a severe cold or a sinus infection, for …

Definition Precocious puberty is the term for puberty that begins much earlier than usual. Puberty is the process in which a child has a growth spurt and develops the sexual physical features of an adult. In the brain, the hypothalamus releases chemicals (hormones) that cause the pituitary gland to release …

Definition Rectal prolapse is when part of your rectum sticks out through your anus (back passage) to form a lump. The rectum is the last part of your bowel. You may notice the rectal prolapse when you’re having a bowel movement. But it can also happen when you cough or …